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Finding the Third Proportional to 10,456 and 15,992

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Solution

The third proportional to 10,456 and 15,992 is: 24,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456 : 15,992 = 15,992 : x
  2. Step 2: Convert to fraction form
    10,456/15,992 = 15,992/x
  3. Step 3: Cross multiply
    10,456x = 15,992 × 15,992
  4. Step 4: Simplify right side
    10,456x = 255,744,064
  5. Step 5: Solve for x
    x = 255,744,064/10,456
  6. Step 6: Final answer
    x = 24,459.07

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.